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@ng-mfe/storage

v0.1.1

Published

LocalStorage/SessionStorage abstraction with TTL and serialization

Readme

@ng-mfe/storage

存储服务 — 统一封装 localStorage/sessionStorage,支持前缀隔离、TTL 过期与变更监听。

安装

npm install @ng-mfe/storage

用法

import { StorageService } from '@ng-mfe/storage';

const storage = new StorageService({ prefix: 'myapp' });

// 基本读写
storage.set('token', 'abc123');
storage.get<string>('token'); // 'abc123'

// 设置过期时间(TTL,毫秒)
storage.set('cache', { data: [1, 2, 3] }, { ttl: 60000 });

// 指定存储类型
storage.set('session-key', 'value', { storage: 'session' });

// 其他操作
storage.has('token'); // true
storage.keys(); // ['token', 'cache', ...]
storage.remove('token');
storage.clear();

// 监听值变更
const unsub = storage.onChange('token', value => {
  console.log('token 已更新:', value);
});
unsub();

API 接口

  • StorageService — 存储管理服务
    • set<T>(key, value, options?) — 存储数据
    • get<T>(key, defaultValue?) — 读取数据(自动处理过期)
    • remove(key) — 删除指定键
    • clear() — 清空所有数据
    • has(key) — 判断键是否存在
    • keys() — 获取所有键名
    • onChange(key, handler) — 监听指定键的变更,返回取消订阅函数
  • 类型:StorageOptionsStorageAdapterStorageEntry

配置选项

构造函数选项:

| 字段 | 类型 | 说明 | | ---------------- | ----------------- | ---------------------------- | | prefix | string? | 键名前缀,用于多应用隔离 | | localStorage | StorageAdapter? | 自定义 localStorage 适配器 | | sessionStorage | StorageAdapter? | 自定义 sessionStorage 适配器 |

StorageOptionsset 方法选项):

| 字段 | 类型 | 说明 | | --------- | ----------------------- | ------------------------------ | | ttl | number? | 过期时间(毫秒),0 表示不过期 | | storage | 'local' \| 'session'? | 存储类型(默认 'local') |

文档

查看主 README 获取完整文档。